Q390B STEEL PLATE

High tension Q390B steel plate widely used for building construction machinery,ships,bridges,electric power and various vehicles.Xinsteel stock Q390B steel plate and Q390B steel sheet with thickness range from 2-350mm,standard width 1500mm,1800mm,2000mm,2200mm and 2500mm,also stock width and length in feet as 4ft and 8ft,5ft and 20ft,6ft and 20ft,8ft and 20ft,8ft and 30ft.

Technical Requirements & Additional Services for Q390B steel plate:
♦ Sharpy V-nocth impacting test reach to Minus 60 Deg.Centigrade
♦ Cutting,Welding,Machining,Milling as per end user’s CAD drawing
♦ More striction on some chemical elements contains for special applications
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Non-destructive inspection under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578 
♦ Shot blasting comply to SA 2.5 or SSPC and painting with shop primer.

►Mechnical property for GB/T 1591-2018 Q390B STEEL PLATE

Mechanical Property for Q390B steel plate
	Thickness (mm)
Yield strength (≥Mpa)	T≤16	16<T≤40	40<T≤63	63<T≤80	80<T≤100	100<T≤150	150<T
	390	380	360	340	340	320	320
Tensile strength (Mpa)	T≤100				100<T
	490-650				470-620

►Chemical composition for GB/T 1591-2018 Q390B STEEL PLATE (Heat Analysis Max%)

Main chemical elements composition of Q390B
C	Si	Mn	P	S	Nb	N
0.20	0.55	1.70	0.035	0.035	0.05	0.015
V	Ti	Cr	Ni	Cu	Mo
0.13	0.05	0.30	0.50	0.40	0.10